React Performance Fixes on Airbnb Listing Pages

Airbnb has some incredible listings in Cuba…and also a corner of the office inspired by Habana Vieja We have been hard at work migrating the airbnb.com core booking flow into a single-page server-rendered app using React Router and Hypernova. At the beginning of the year, we rolled this out for…

Data Quality at Airbnb

Authors: Vaughn Quoss, Jonathan Parks, Paul Ellwood Introduction At Airbnb, we’ve always had a data-driven culture. We’ve assembled top-notch data science and engineering teams, built industry-leading data infrastructure, and launched numerous successful open source projects, including Apache Airflow and Apache Superset. Meanwhile, Airbnb has…

Inside Connect: An Apprentice Perspective

Connect 2020 Apprentices at Airbnb HQ Hi, I’m Ale. I was a Connect 2020 Apprentice and I’m going to write a bit about my experience with the program, especially for those who are interested in applying. To learn more about the goals and structure of the Connect program, take a look at Part 1 of this…

Achieving Insights and Savings with Cost Data

by Anna Matlin and Tamar Eterman Introduction Business profitability and sustainability are powerful reasons to invest in infrastructure efficiency, but it is easy to feel lost about how to actually reduce costs. A foundation of robust and actionable data is essential for a successful efficiency program. At Airbnb, building this foundation…

Moving Lottie Swiftly into the Future

Come and join us in working on Swift development in our gorgeous office! Lottie is a library for Android, iOS, Web, and Windows that parses Adobe After Effects animations exported as JSON with Bodymovin and renders them natively on mobile and on the web. If you haven’t already read Brandon’s post about the Swift rewrite of Lottie on iOS, check it out! We’d…

Himeji: A Scalable Centralized System for Authorization at Airbnb

The Problem Over the last couple of years, Airbnb engineering moved from a monolithic Ruby on Rails architecture to a service oriented architecture. In our Rails architecture, we had an API per resource to access the underlying data. These APIs had authorization…

Inside Connect: Airbnb’s Engineering Apprenticeship Program

by Beti Gathegi & Jacqui Watts Hello! We’re excited that you’re here to learn more about the Connect program. Before we share details, though, we’d like to introduce ourselves. We’re Beti Gathegi and Jacqui Watts — a team of two whose purpose at Airbnb is to help bring this program…

A Deep Dive into Airbnb’s Server-Driven UI System

By Ryan Brooks Background: Server-Driven UI Before we dive into Airbnb’s implementation of server-driven UI (SDUI), it’s important to understand the general idea of SDUI and how it provides an advantage over traditional client-driven…

Introducing AloeStackView for iOS

Some of the ~200 screens in the Airbnb iOS app built using AloeStackView. At Airbnb, we’re always looking for ways to improve the efficiency of building products. Over the past few years, our mobile development efforts have increased at a dramatic rate. In the past year alone, we’ve added more than 260 screens to our iOS app. At the same time, more and…

Introducing Epoxy for iOS

Epoxy’s story on iOS began in 2016. Swift was still a very new language, and we had recently started to broadly adopt it across our codebase. With the new language, we were still experimenting with how to best build UI. …

How Airbnb Achieved Metric Consistency at Scale

Part-I: Introducing Minerva — Airbnb’s Metric Platform By: Amit Pahwa, Cristian Figueroa, Donghan Zhang, Haim Grosman, John Bodley, Jonathan Parks, Maggie Zhu, Philip Weiss, Robert Chang, Shao Xie, Sylvia Tomiyama, Xiaohui Sun Introduction At Airbnb, we lean on data to inform our critical decisions. We validate product ideas through randomized controlled experiments, and we track our business performance…

Introducing MvRx: Android on Autopilot

Havana Vieja, a great place to hang out at Airbnb HQ when you want to… At Airbnb, we are moving at a faster pace than ever. Each year, more and more people are using Airbnb to travel. This year alone, we have already launched Airbnb Plus and we have countless other projects underway that we can’t wait to share. On the Android side of things…

Improving Deep Learning for Ranking Stays at Airbnb

Search ranking is at the heart of Airbnb. Data from search logs* indicate it is a feature used by more than 90% of guests to book a place to stay. In ranking, we want the search results (referred to as listings) to be sorted…

Designing Experimentation Guardrails

by Tatiana Xifara, Reid Andersen & Ali Rauh Each week, thousands of online experiments run concurrently on the Airbnb platform to measure the impact of potential product changes…

What’s Next for Mobile at Airbnb

This is the fifth in a series of blog posts in which we outline our experience with React Native and what is next for mobile at Airbnb. Exciting Times Ahead Even while experimenting with React Native, we continued to accelerate our efforts on native as well. Today, we have a number of exciting…

Interning at Airbnb with a disability

A picture of two people’s hands as one gives a key attached to a keychain… My name is Hilary Sun, and I’m a master’s student at Stanford University finishing my M.S in Computer Science. I worked as an engineering intern for the past twelve weeks on the Trust - Financial Fraud team, which keeps Airbnb’s business safe and secure by minimizing fraudulent financial losses while…

React Native at Airbnb

Years later, it’s still possible to book a meeting in our Airstream This is the first in a series of blog posts in which we outline our experience with React Native and what is next for mobile at Airbnb. When Airbnb launched 10 years ago, smartphones were in their infancy. Since then, smartphones have become an essential tool to navigate our everyday…

Scaling a Mature Data Pipeline — Managing Overhead

Author: Zachary Ennenga The view from the third floor at Airbnb HQ! Background There is often a natural evolution in the tooling, organization, and technical underpinning of data pipelines. Most data teams and data pipelines are born from a monolithic collection of queries. As the pipeline grows in its complexity, it becomes sensible to leverage the Java or Python Spark…

How We Enable Airbnb Team Members to Code Like a Mobile Engineer

Intro As part of the TechEd team, our team’s goal is to enable our technical talent through continuous learning programs. One of the most common programs we work on is new employee onboarding for Engineering and Data Science teams. However…

Learning Market Dynamics for Optimal Pricing

How do you think market dynamics influences this beautiful home in Cape Town? Market dynamics plays a key role in matching guests with hosts in two-sided marketplaces such as Airbnb. Supply and demand vary drastically across different locations, different check in dates and different lead times until check-in. It is important for us to understand and forecast these spatial and temporal trends in…

Production Secret Management at Airbnb

Keys are handed off during a check-in in Shanghai Airbnb is a global community built on trust. The Security team helps to build trust by maintaining security standards to store, manage and access sensitive information assets. These include secrets, such as API keys and database credentials. Applications use secrets to provide everyday site features, and those secrets used to…

Fighting Financial Fraud with Targeted Friction

The piano in our “Vienna” meeting room in San Francisco has an easter egg. Move… On any given night, nearly two million people are staying in Airbnb listings in 191 countries around the world. The rapid growth of our global community is predicated on one thing: trust. We take a comprehensive approach to trust, which consists of both robust proactive measures and reactive support, but…

Server Rendering, Code Splitting, and Lazy Loading with React Router v4

Challenge accepted. Nicole, one of our hosts, taking some guests on a sunrise walk and picnic above… Some Background on Server Rendering at Airbnb Historically, Airbnb has been a Rails app. A few years back that started to change, we began using Rails simply as a data layer, and all render logic started migrating into JavaScript in…

Zooming Towards Human Connection

By: Fatemeh Alavizadeh, Mojtaba Mehrara Meet the dogs of Chernobyl on this Online Experience hosted by Lucas Introduction Creating human connection is the core of Airbnb’s mission. We launched Airbnb Experiences to encourage travelers to connect with locals and with each other through one-of-a-kind experiences that highlight the uniqueness of their destinations. We’ve since grown it to a community of hosts leading more…

Better Android Testing at Airbnb

A seven part series on Android Test Frameworks we’ve built at Airbnb — this first part looks at our philosophy on testing, and the mocking system that lays the foundation for all our tests. Automated testing for Android development has historically been challenging at Airbnb, due to both technical and…